Table 1.
Summary of observed Raman bands as a function of solution composition.
| ΣS + ΣAs/mol kg-1 | pH | ΣS/ΣAs | Peak positions/cm-1 |
| 0.1 | 13.2 | 9.0 | 385 |
| 5.25 | 385, 400 | ||
| 4.0 | 400 | ||
| 3.17 | 400, 420, 600, 800 | ||
| 1.94 | 400, 420, 600, 800 | ||
| 1.0 | 400, 420, 600, 800 | ||
| 0.52 | 400, 420, 600, 800 | ||
| 0.25 | 420?, 600, 800 | ||
| 0.11 | 600, 800 | ||
| 0.1 | 12.6 | 9.0 | 385 |
| 5.25 | 389 | ||
| 4.0 | 390 | ||
| 3.17 | 391, 600, 800 | ||
| 1.94 | 395, 600, 800 | ||
| 1.0 | 395, 600, 800 | ||
| 0.52 | 396, 600, 800 | ||
| 0.25 | 397, 600, 800 | ||
| 0.11 | 600, 800 | ||
| 0.1 | 10.5 | 9.0 | 385,415 |
| 5.25 | 327, 385, 415 | ||
| 4.0 | 331,385,412 | ||
| 3.17 | 332, 384, 413 | ||
| 1.94 | 329, 384, 412, 600, 790 | ||
| 1.0 | 329, 384, 412, 435?, 600, 790 | ||
| 0.52 | 413,435?, 600, 790 | ||
| 0.25 | 435?, 600, 700, 790 | ||
| 0.11 | 600, 700, 790 | ||
| 0.1 | 8.4–8.5 | 9.0 | 328, 385, 419 |
| 5.25 | 329, 384, 418 | ||
| 4.0 | 331, 384,413 | ||
| 3.17 | 331, 383,413, 700 | ||
| 1.94 | 332, 382, 414, 701 | ||
| 1.0 | 334, 380, 412, 702 | ||
| 0.52 | 333, 384, 415, 702, 800? | ||
| 0.25 | 415, ~650sh, 702, 800 | ||
| 0.11 | ~650sh, 702, 800 | ||
| 0.1 | 6.75 | 9.0 | ~340,385,413 |
| 8.0 | 4.0 | 331, 384,413 | |
| 8.1 | 0.25 | 350, ~650sh, 702, 800 | |
| 0.5 | 12.6 | 9.0 | 308, 344, 384 |
| 4.0 | 308, 365sh, 389 | ||
| 3.17 | 308, 365sh, 389 | ||
| 1.94 | 308, 365sh,389, 600, 800 | ||
| 1.0 | 308, 365sh,389, 600, 800 | ||
| 0.52 | 308?, 390, 600, 800 | ||
| 0.25 | 370?, 390, 600, 800 | ||
| 0.11 | 600, 800 |